210122102221012 has 12 divisors (see below), whose sum is σ = 373946114122560. Its totient is φ = 103280355328856.

The previous prime is 210122102221007. The next prime is 210122102221019. The reversal of 210122102221012 is 210122201221012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210122102221019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445173945148 + ... + 445173945619.

It is an arithmetic number, because the mean of its divisors is an integer number (31162176176880).

Almost surely, 2^{210122102221012} is an apocalyptic number.

It is an amenable number.

210122102221012 is a deficient number, since it is larger than the sum of its proper divisors (163824011901548).

210122102221012 is a wasteful number, since it uses less digits than its factorization.

210122102221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890347890830 (or 890347890828 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 210122102221012 its reverse (210122201221012), we get a palindrome (420244303442024).

The spelling of 210122102221012 in words is "two hundred ten trillion, one hundred twenty-two billion, one hundred two million, two hundred twenty-one thousand, twelve".